public ArborViewer()
{
base.BorderStyle = BorderStyle.Fixed3D;
base.TabStop = true;
base.BackColor = Color.White;
base.DoubleBuffered = true;
base.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
base.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
// repulsion - отталкивание, stiffness - тугоподвижность, friction - сила трения
fSys = new ArborSystemEx(10000, 500 /*1000*/, 0.1, this);
fSys.setScreenSize(Width, Height);
fSys.AutoStop = false;
fEnergyDebug = false;
fDrawFont = new Font("Calibri", 9);
fStrFormat = new StringFormat();
fStrFormat.Alignment = StringAlignment.Center;
fStrFormat.LineAlignment = StringAlignment.Center;
fBlackBrush = new SolidBrush(Color.Black);
fWhiteBrush = new SolidBrush(Color.White);
fDragged = null;
fNodesDragging = false;
}